Stephen

Benedict Cumberbatch

Julie Lewis

Kelly Macdonald

Charles

Stephen Campbell Moore

Kate Lewis

Beatrice White

Charles

Stephen Moore*

Thelma Darke

Saskia Reeves

Policewoman

Andrea Hall

Lydia Webb

Franc Ashman

Rachel Murray

Anna Madeley

Male Neighbour

Jim Creighton

Greg Ellis

Laurence Spellman

Home Secretary

John Hopkins

Joanna Buckley

Lucy Liemann

Shop Assistant

Rosa-Marie Lewis

Stephen's Father

Richard Durden

Prime Minister

Elliot Levey

Stephen's Mother

Geraldine Alexander

Mrs. Matterson

Karen Bryson

Nurse

Doreene Blackstock

Steven's Young Mother

Natasha Brown

Estate Agent

Gerard Monaco

Taxi Driver

Tony Walker

Ruth Lyle

Chase Collard

Mrs. Forrester

Gehane Strehler

School Girl (uncredited)

Eloise Henwood